Be Cool, Scooby-Doo! (2015)

S2E1 Halloween

As a child, Fred had a terrifying encounter while trick-or-treating with his cousin Scott and a friend, when an evil witch attacked him near an old cabin. Fast forward to years later, Fred and his friends find themselves facing that same witch on Halloween in a different town. While they work together to unravel the mystery surrounding her, they also need to help Fred overcome his conviction that mysteries can’t be solved on Halloween night.